TY - JOUR AU - S.G.P. Ajgaonkar TI - A Note on Horvitz's and Thompson's T3 Class of Linear Estimators JO - Metrika PY - 1967 SP - 16 EP - 21 VL - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MET_1967__12_175338/ ID - MET_1967__12_175338 ER -